Confidence interval for the true mean length
In a manufacturing process a random sample of 36 bolts manufactured has a mean length of 1.71 inches with a standard deviation of .08 inches. What is the 90% confidence interval for the true mean length of the bolt?
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Determine the maximum theoretical speed that may be achieved over a distance of 360ft by a car of weight W starting from rest assuming there is no slipping.
Which of the following statements about the speed and acceleration of the cart just before the counterweight hits the ground is true?
Calculate the full width on the screen of the central maximum of the diffraction pattern.
A 65 kg person throws a .045 kg snowball forward with a speed of 30 m/s. a second person with a mass of 60 kg catches the snowball. both people are on skates.
The electron's acceleration is due to two electric forces parallel to the x axis: = 9.22 x 10-17 N, and , which points in the -x direction. Find the magnitudes of (a) the net force acting on the electron and (b) the electric force.
Show the cycle on a T-s diagram with respect to saturation lines and including both isobars. Determine the maximum amount of work that can be extracted from the Rankine power cycle (kW).
Show the cycle on a T-s diagram with respect to saturation lines and including both isobars. Determine the amount of work required to operate the A/C if all processes are ideal. [Btu/min].
Two particle of charge q1 and q2 are separated by distance d. The net electric field due to the particles is zero at x=d/4. With V=0 at infinity, located ( in terms of d) any point on x axis (other than at infinity) at which the electric potential
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